September weather forecastAvô, Portugal
September weather for Avô, Portugal: The first month of the autumn, September, is still a warm month in Avô, Portugal, with an average temperature varying between 12.8°C (55°F) and 25.8°C (78.4°F). In Avô, during September, the rain falls for 4.8 days and regularly aggregates up to 15mm (0.59") of precipitation.
September
Weather in September
The first month of the autumn, September, is still a warm month in Avô, Portugal, with an average temperature varying between 12.8°C (55°F) and 25.8°C (78.4°F).Temperature
September's onset brings a negligible change in high-temperatures, falling from a moderately hot 29.8°C (85.6°F) in August to a still warm 25.8°C (78.4°F). During September, the nighttime temperature presents a clear descent from the daily peaks, falling to an average of 12.8°C (55°F).Humidity
In September, the average relative humidity is 56%.Rainfall
In Avô, during September, the rain falls for 4.8 days and regularly aggregates up to 15mm (0.59") of precipitation. In Avô, Portugal, during the entire year, the rain falls for 116.6 days and collects up to 496mm (19.53") of precipitation.Snowfall
In Avô, Portugal, snow does not fall in May through September.Daylight
In September, the average length of the day in Avô is 12h and 27min.On the first day of September in Avô, sunrise is at 06:59 and sunset at 20:03. On the last day of the month, sunrise is at 07:27 and sunset at 19:15 WEST.
Sunshine
The average sunshine in September is 9.4h.UV index
In Avô, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Take precautions - Protection against sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avô, Portugal
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Avô, Portugal
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Avô, Portugal
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (11.5km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Avô, Portugal
- Average humidity in September: 56%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Avô, Portugal
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are July and August (7mm).
Average rainfall days in September
Avô, Portugal
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in September
Avô, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Avô, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Avô, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Avô, Portugal
- Average sunshine days in September: 24.7 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in September
Avô, Portugal
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Avô, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Avô, Portugal
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).
